<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theclassyhome.com/Product/FLF-XU-DG-60120-CIR-BAR-NATW-GG/Hercules+Series+Black+Circle+Back+Metal+Natural+Wood+Restaurant+Stool>